Winton Queensland Boulder Opal Preform Rough Split Face (345ct)

A$100.00

Reveal a spectacular explosion of subterranean fire with this beautiful Winton Queensland Boulder Opal Preform. Weighing a precise 345 carats (69.06 grams), this premium raw specimen originates directly from the world-famous Winton opal fields of Western Queensland, Australia. The stone boasts a stunning natural split face that showcases a full spectrum of color plays, including glowing orange, golden yellow, deep blue, vibrant green, and highly coveted flashes of radiant red. It has been expertly preformed to remove bulk host matrix, leaving it entirely ready for final shaping and cabochon polishing.

 

Why You’ll Love It

  • Elite Winton Mining Location: Sourced from Australia's premier fields, famous for producing deep-contrast boulder opals.
  • Full-Spectrum Split Face: Displays an extraordinary palette of orange, yellow, blue, green, and rare red fire paths.
  • Preformed for Easy Cutting: Pre-shaped by hand to save lapidary enthusiasts, hobbyists, and artists valuable processing time.
  • Sleek, Workable Dimensions: Proportioned at approximately 70mm x 42mm, making it an excellent canvas for slicing into high-end collector cabs.

 

An Artistic Masterpiece of Living Outback Fire

Forged over millions of years inside dense ironstone fissures, this rough Australian boulder opal offers an exhilarating creative journey. Because the face has already been split to expose the internal color bars, you can instantly trace the path of the precious silica veins without any guesswork. Whether you take it to the diamond wheels to shape unique jewelry focal stones, wire-wrap it in its organic preform state, or place it on a metal crystal stand to admire its natural beauty, this premium specimen leaves an unforgettable first impression.

 

Specifications

  • Product ID: 3764277954
  • Gemstone Type: Natural Solid Queensland Boulder Opal
  • Processing Stage: Preformed Rough Specimen (Natural Split Face)
  • Mining Location: Winton Opal Fields, Queensland, Australia
  • Total Carat Weight: 345 Carats
  • Total Gram Weight: 69.06 Grams
  • Approximate Dimensions: 70mm x 42mm x 15mm
  • Best Used For: Lapidary shaping, cabochon cutting, jewelry artistry, or raw mineral collections